| Echelon to Superior (Colorado) | 1,591.33 mi (2,561.00 km) |
| Echelon to Superior (Wisconsin) | 978.18 mi (1,574.23 km) |
| Echelon to Surprise (Arizona) | 2,100.59 mi (3,380.57 km) |
| Echelon to Susanville (California) | 2,382.65 mi (3,834.50 km) |
| Echelon to Sussex (Wisconsin) | 720.30 mi (1,159.21 km) |
| Echelon to Suwanee (Georgia) | 640.83 mi (1,031.31 km) |
| Echelon to Swansea (Illinois) | 806.66 mi (1,298.19 km) |
| Echelon to Sweetwater (Florida) | 1,020.54 mi (1,642.40 km) |
| Echelon to Sweetwater (Texas) | 1,500.31 mi (2,414.52 km) |
| Echelon to Sycamore (Illinois) | 728.92 mi (1,173.09 km) |
| Echelon to Sylacauga (Alabama) | 775.95 mi (1,248.77 km) |
| Echelon to Sylvania (Ohio) | 473.45 mi (761.94 km) |
| Echelon to Syosset (New York) | 103.24 mi (166.14 km) |
| Echelon to Syracuse (New York) | 228.45 mi (367.65 km) |
| Echelon to Syracuse (Utah) | 1,935.92 mi (3,115.56 km) |
